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Palæontological Nomenclature

Published online by Cambridge University Press:  01 May 2009

E. D. Cope
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Type
Correspondence
Information
Geological Magazine , Volume 2 , Issue 12 , December 1885 , pp. 572 - 575
Copyright
Copyright © Cambridge University Press 1885

References

page 574 note 1 Some of this work romains to be doneGoogle Scholar

page 575 note 1 There is one noteworthy exception to this argument, viz. where Mr. Lydekker remarks that “Archœnodon appears to us to be a form not improbably connecting the bunodont ungulates like Elotherium (with which it has been classed) with the unguiculate mammals,” etc. Now this proposition is in opposition to theoretical and actual mammalian phylogeny, as I have remarked in the American Naturalist, 1884, p. 718. It is impossible for any Artiodactyle mammal like Elotherium to have direct connection with an unguiculate. The genealogical line must pass backwards through a taxeopod line, and then downward into or through the bunotherian, to complete such a connection.